>> First, for a same transaction, the cost from using TCP may be more than the >> gain from the queries you save, which may ultimately let the performance >> become even worse. Do you have any consideration on this? > >And also, if already doing tcp the the auth server, why not just ask the >4 questions asynchronously over the TCP channel, instead of waiting to >see if the server will give you a freebie, where you might have to send >another query (After the RTT) for the data?
In most cases, you won't know what other questions to ask until you get the initial response back. In some cases, e.g., domains used in web pages, you won't know the other questions until you've done a lot of other work, too. I'm not sure whether this is a good idea, but the motivation makes sense. R's, John _______________________________________________ DNSOP mailing list [email protected] https://www.ietf.org/mailman/listinfo/dnsop
